Still weird on reboot. mdstat seems fine, but the failed member still thinks it is active.
:~# cat /proc/mdstat Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] md1 : active raid1 sdb3[0] 86003840 blocks [3/1] [U__]
unused devices: <none> :~# mdadm -D /dev/md1 /dev/md1: Version : 0.90 Creation Time : Sun Jul 27 22:53:23 2008 Raid Level : raid1 Array Size : 86003840 (82.02 GiB 88.07 GB) Used Dev Size : 86003840 (82.02 GiB 88.07 GB) Raid Devices : 3 Total Devices : 1 Preferred Minor : 1 Persistence : Superblock is persistent
Update Time : Sat Mar 3 14:12:24 2012 State : clean, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 0 Spare Devices : 0
UUID : eeeb6708:d1080847:57e9714c:01b7dbc8 Events : 0.10187219
Number Major Minor RaidDevice State 0 8 19 0 active sync /dev/sdb3 1 0 0 1 removed 2 0 0 2 removed :~# mdadm -Q --examine /dev/sda6 /dev/sda6: Magic : a92b4efc Version : 0.90.00 UUID : eeeb6708:d1080847:57e9714c:01b7dbc8 Creation Time : Sun Jul 27 22:53:23 2008 Raid Level : raid1 Used Dev Size : 86003840 (82.02 GiB 88.07 GB) Array Size : 86003840 (82.02 GiB 88.07 GB) Raid Devices : 3 Total Devices : 1 Preferred Minor : 1
Update Time : Sat Mar 3 13:28:57 2012 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 60f50ddb - correct Events : 10128612
Number Major Minor RaidDevice State this 1 8 6 1 active sync /dev/sda6
0 0 0 0 0 removed 1 1 8 6 1 active sync /dev/sda6 2 2 0 0 2 faulty removed :~# mdadm -Q --examine /dev/sdb3 /dev/sdb3: Magic : a92b4efc Version : 0.90.00 UUID : eeeb6708:d1080847:57e9714c:01b7dbc8 Creation Time : Sun Jul 27 22:53:23 2008 Raid Level : raid1 Used Dev Size : 86003840 (82.02 GiB 88.07 GB) Array Size : 86003840 (82.02 GiB 88.07 GB) Raid Devices : 3 Total Devices : 1 Preferred Minor : 1
Update Time : Sat Mar 3 14:12:34 2012 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 2 Spare Devices : 0 Checksum : 60f6e218 - correct Events : 10187225
Number Major Minor RaidDevice State this 0 8 19 0 active sync /dev/sdb3
0 0 8 19 0 active sync /dev/sdb3 1 1 0 0 1 faulty removed 2 2 0 0 2 faulty removed
Still weird on reboot. mdstat seems fine, but the failed member still thinks it is active.
:~# cat /proc/mdstat
Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10]
md1 : active raid1 sdb3[0]
86003840 blocks [3/1] [U__]
unused devices: <none>
:~# mdadm -D /dev/md1
/dev/md1:
Version : 0.90
Creation Time : Sun Jul 27 22:53:23 2008
Raid Level : raid1
Array Size : 86003840 (82.02 GiB 88.07 GB)
Used Dev Size : 86003840 (82.02 GiB 88.07 GB)
Raid Devices : 3
Total Devices : 1
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Sat Mar 3 14:12:24 2012
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : eeeb6708: d1080847: 57e9714c: 01b7dbc8
Events : 0.10187219
Number Major Minor RaidDevice State d1080847: 57e9714c: 01b7dbc8
0 8 19 0 active sync /dev/sdb3
1 0 0 1 removed
2 0 0 2 removed
:~# mdadm -Q --examine /dev/sda6
/dev/sda6:
Magic : a92b4efc
Version : 0.90.00
UUID : eeeb6708:
Creation Time : Sun Jul 27 22:53:23 2008
Raid Level : raid1
Used Dev Size : 86003840 (82.02 GiB 88.07 GB)
Array Size : 86003840 (82.02 GiB 88.07 GB)
Raid Devices : 3
Total Devices : 1
Preferred Minor : 1
Update Time : Sat Mar 3 13:28:57 2012
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 1
Spare Devices : 0
Checksum : 60f50ddb - correct
Events : 10128612
Number Major Minor RaidDevice State
this 1 8 6 1 active sync /dev/sda6
0 0 0 0 0 removed d1080847: 57e9714c: 01b7dbc8
1 1 8 6 1 active sync /dev/sda6
2 2 0 0 2 faulty removed
:~# mdadm -Q --examine /dev/sdb3
/dev/sdb3:
Magic : a92b4efc
Version : 0.90.00
UUID : eeeb6708:
Creation Time : Sun Jul 27 22:53:23 2008
Raid Level : raid1
Used Dev Size : 86003840 (82.02 GiB 88.07 GB)
Array Size : 86003840 (82.02 GiB 88.07 GB)
Raid Devices : 3
Total Devices : 1
Preferred Minor : 1
Update Time : Sat Mar 3 14:12:34 2012
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 2
Spare Devices : 0
Checksum : 60f6e218 - correct
Events : 10187225
Number Major Minor RaidDevice State
this 0 8 19 0 active sync /dev/sdb3
0 0 8 19 0 active sync /dev/sdb3
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed